Not having descriptions on items will take away from any PnP feel of a game. Text descriptions would give quite a bit of colour to an objects, items or characters.

To assume that its cheating and it needs to be done in game is not only shortsighted but a little naive. Ask anyone that's made a NWN mod (and probably Morrowind too) and spent hours getting those placeable just right for their players, only to find them sweeping in and out, taking whatever, killing whatever, and then sweeping right out.

Having text descriptions adds another element to the game. It gives the player another later of interactivity that they'd miss. Otherwise, you're just makign a TV show.